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Wednesday, March 6, 2013

Civil Service Commission Professional or Sub-Professional Reviewer - Page 62/159

Mathematics Test I Solution - Page 62

15.  7  ÷  21  = ___________?
       8      4

=  7  x  4 
    8     21

=   28 
    168

=    28 ÷ 28  
    168 ÷ 28

= 1/6 *Ans.


16.  3  x  10  = ______?
      5       3

= 30 / 15

= 2 *Ans.

17. 3.156 x 0.12 = ________?

              3.156                    ------> 3-decimal places
            x  .12                      ------> 2-decimal places
               6312
             3156  
          0.37872 *Ans.          ------> 5-decimal places


18. 5 ½ ÷ 2 = ______?

11    ÷  
     2          3


 11    x   3 
     2          7

33 
    14

change 33/14  to improper fraction by dividing 33 by 14 which is :

5  *Ans.
   14

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